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Trigonometry 20 Online
OpenStudy (anonymous):

Please help!!! I need this problem done by tomorrow!!! Suppose you are aboard a jet destined for Hawaii. The pilot announces that your altitude is 10 kilometers. Since you have nothing to do but stare at the Pacific Ocean, you decide to calculate how far away the horizon is. You draw a sketch and realize that you must calculate an arc length. You recall that the radius of the Earth is about 6400 kilometers. How far away is the horizon along the Earth's curved surface? Surprising?

OpenStudy (anonymous):

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